Getting Started with Talend Open Studio for Data Integration

Sampling rows

For our final example of processing techniques, we will look at how to extract specific rows from a data flow. For this technique, the Studio offers a tSampleRow component which filters rows according to their line numbers. We're going to use the same data as used in the previous example —country-codes.csv—and the job we create will be similar to the last example, so we'll reuse this and add some modifications.

1. In the repository, right-click on the FindAndReplace job and select Duplicate.
2. In the pop-up window, change the name to SampleRow and click on OK.
3. Double-click on the new job to open it and delete the tReplace component.
4. In the Palette, search for sample and drag a tSampleRow component onto the Job Designer, in between the delimited ...